BPEL并没有阻止你把这种信息存储在领域模型数据库中，但是它为这种做法添加了困难。
BPEL doesn't prevent that kind of information to be stored in the domain model database, but it makes it harder.
实际上，获得推荐的最好方法是改变你的做法，改变你卖的东西，怎样克服困难，和当你不需要变得慷慨的时候仍然表现的大方。
In fact, the best way to get referrals is to change what you do, what you sell, how you act when times are difficult, how generous you are when you don't need to be.
经证实，这种做法比期望要困难许多，因为如果一种疾病由多种基因致使，那么单一基因的讯号就不可避免地被减弱。
This has proved a lot harder than expected, because if lots of genes contribute to a disease, the signal from each is inevitably weakened.
应用推荐